/* MES 0.10.15 presentation layer.
   Business-state colors, event hooks and normalized factory positions remain intact. */
html[data-ui-design="modern"] {
  --bg: #f2f5f8;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --surface-3: #e9eef3;
  --ink: #202d3d;
  --muted: #627185;
  --line: #dce3eb;
  --cyan: #008c88;
  --shadow: 0 2px 8px rgba(18, 36, 54, .035);
  --radius: 12px;
  --design-sidebar: 224px;
  --design-header: 84px;
  --design-accent-soft: #e5f4f1;
  --design-accent-ink: #00796f;

  &[data-theme="dark"] {
    --bg: #10151d;
    --surface: #191f2a;
    --surface-2: #202735;
    --surface-3: #2a3342;
    --ink: #f1f5fa;
    --muted: #a6b3c5;
    --line: #303a49;
    --cyan: #3ed6c4;
    --shadow: 0 3px 16px rgba(0, 0, 0, .07);
    --run: #2ecf90;
    --machine-stop: #f7b34d;
    --long-wait: #ff6478;
    --long-wait-strong: #ff8292;
    --design-accent-soft: #173a3b;
    --design-accent-ink: #70eadc;
  }

  body { background: var(--bg); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
  &, * { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
  button, input, select, textarea { font-family: inherit; }
  button { touch-action: manipulation; }
  button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
  input::placeholder, textarea::placeholder { color: var(--muted); opacity: .85; }
  .app-shell:not(.auth-gate-shell):not(.wallboard) { display: grid; grid-template-columns: var(--design-sidebar) minmax(0, 1fr); grid-template-rows: var(--design-header) minmax(0, 1fr); align-items: start; }
  .topbar { grid-column: 1 / -1; min-height: var(--design-header); height: var(--design-header); padding: 14px 22px; gap: 24px; color: var(--ink); background: var(--surface); border-bottom: 1px solid var(--line); }
  .brand { gap: 12px; flex-shrink: 0; }
  .brand-mark { width: 68px; height: 47px; padding: 4px 6px; border-radius: 8px; border: 1px solid #e2e7ed; box-shadow: none; }
  .brand-copy small { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
  .brand-copy h1 { max-width: none; font-size: 19px; line-height: 1.4; font-weight: 750; letter-spacing: -.035em; }
  .header-actions { flex: 1; gap: 10px; flex-wrap: nowrap; }
  .header-order-search { flex: 1 1 230px; max-width: 300px; width: auto; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); }
  .header-order-search label { padding: 5px 12px; }
  .header-order-search span { color: var(--muted); font-size: 10px; font-weight: 600; }
  .header-order-search input { color: var(--ink); font-size: 14px; font-weight: 600; }
  .header-order-search button { color: var(--design-accent-ink); background: var(--design-accent-soft); }
  .header-order-search:focus-within { background: var(--surface-2); border-color: var(--cyan); }
  .header-work-overview { color: var(--design-accent-ink); background: var(--design-accent-soft); border-color: color-mix(in srgb, var(--cyan) 30%, var(--line)); }
  .header-work-overview:hover { color: var(--design-accent-ink); background: color-mix(in srgb, var(--design-accent-soft) 75%, var(--surface-3)); }
  .connection-pill, .clock-pill, .mode-pill { min-height: 34px; padding: 4px 6px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 600; white-space: nowrap; }
  .mode-pill.server, .mode-pill.viewer { color: var(--muted); }
  .connection-pill { color: var(--ink); gap: 9px; }
  .clock-pill { display: none; }
  .toggle-group { padding: 3px; border-color: var(--line); background: var(--surface-2); border-radius: 8px; flex-shrink: 0; }
  .toggle-group button { min-height: 30px; min-width: 32px; padding: 4px 7px; color: var(--muted); font-size: 11px; font-weight: 600; }
  .toggle-group button.selected { background: var(--surface); color: var(--design-accent-ink); box-shadow: 0 1px 4px rgba(0,0,0,.12); }
  .admin-badge { background: var(--design-accent-soft); color: var(--design-accent-ink); border-radius: 8px; padding: 8px 10px; font-size: 11px; font-weight: 650; max-width: 190px; }
  .auth-action { flex-shrink: 0; }

  .app-shell:not(.wallboard) > .nav-shell { grid-column: 1; grid-row: 2; position: sticky; top: 0; height: 100dvh; max-height: 100dvh; min-height: 0; display: flex; flex-direction: column; justify-content: flex-start; padding: 24px 12px 30px; gap: 12px; background: var(--surface); border-right: 1px solid var(--line); border-bottom: 0; backdrop-filter: none; overflow-y: auto; }
  .app-shell:not(.wallboard) .nav-tabs { flex: 0 0 auto; display: flex; flex-direction: column; overflow: visible; gap: 6px; }
  .app-shell:not(.wallboard) .nav-tabs::before { content: "WORKSPACE"; margin: 0 12px 12px; font-size: 10px; font-weight: 700; letter-spacing: .16em; color: var(--muted); }
  &[lang="ko"] .app-shell:not(.wallboard) .nav-tabs::before { content: "업무 메뉴"; }
  &[lang="vi"] .app-shell:not(.wallboard) .nav-tabs::before { content: "MENU LÀM VIỆC"; }
  .app-shell:not(.wallboard) .nav-tab { width: 100%; min-width: 0; min-height: 54px; padding: 10px 12px; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; color: var(--muted); background: transparent; box-shadow: none; border: 1px solid transparent; border-radius: 9px; transform: none; }
  .nav-tab i { width: 28px; height: 28px; background: var(--surface-2); color: var(--muted); border-radius: 7px; font-size: 11px; font-weight: 600; }
  .nav-tab > span { gap: 3px; }
  .nav-tab > span > b { display: block; font-size: 13px; line-height: 1.35; font-weight: 650; overflow-wrap: normal; word-break: keep-all; }
  .nav-tab > span > small { font-size: 10px; font-weight: 500; line-height: 1.2; letter-spacing: 0; color: var(--muted); }
  .app-shell:not(.wallboard) .nav-tab:hover { background: var(--surface-2); border-color: var(--line); }
  .app-shell:not(.wallboard) .nav-tab.selected { color: var(--design-accent-ink); background: var(--design-accent-soft); border-color: color-mix(in srgb, var(--cyan) 20%, transparent); box-shadow: inset 3px 0 var(--cyan); }
  .nav-tab.selected i { background: color-mix(in srgb, var(--cyan) 14%, transparent); color: var(--design-accent-ink); }
  .nav-tab.selected > span > small { color: var(--design-accent-ink); }
  .app-shell:not(.wallboard) .nav-actions { margin-top: 18px; padding: 18px 4px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr; gap: 8px; }
  .app-shell:not(.wallboard) > .main { width: 100%; max-width: 2200px; margin: 0 auto; padding: 25px 28px 60px; }

  .design-page-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; }
  .design-page-heading small { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11px; letter-spacing: .03em; }
  .design-page-heading h2 { margin: 0; color: var(--ink); font-size: 27px; line-height: 1.35; letter-spacing: -.045em; font-weight: 750; }
  .design-page-heading p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
  .design-heading-status { display: inline-flex; gap: 9px; align-items: center; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 11px; color: var(--muted); white-space: nowrap; }
  .design-heading-status i { width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; }
  .toolbar, .card { box-shadow: var(--shadow); border-color: var(--line); border-radius: var(--radius); }
  .toolbar { padding: 16px; margin-bottom: 18px; gap: 14px; }
  .filter-group { flex: 1; gap: 12px; }
  .field { gap: 7px; min-width: 130px; }
  .field span { font-size: 12px; font-weight: 600; color: var(--muted); }
  .field.grow { min-width: 220px; }
  .field input, .field select, .field textarea { min-height: 42px; padding: 10px 12px; border-radius: 7px; font-size: 13px; line-height: 1.4; }
  .setting-number-control input { padding-right: 64px; }
  .field small { font-size: 11px; line-height: 1.65; }
  .button { min-height: 42px; padding: 9px 15px; border-radius: 7px; font-size: 13px; font-weight: 650; box-shadow: none; }
  .button.compact { min-height: 34px; padding: 7px 10px; font-size: 11px; }
  .button.primary { background: #007970; color: #fff; border-color: #007970; }
  .button.primary:hover { background: #00655e; border-color: #00655e; }
  .button.success { background: #087f58; }
  .button.warning { background: #ac6809; }
  .button.danger { background: #c63d51; }
  .button:hover { transform: none; }
  .card-heading { gap: 14px; margin-bottom: 16px; }
  .card-heading h2, .card-heading h3 { font-size: 17px; font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
  .card-heading p, .table-scroll + p { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.6; }
  .empty { padding: 32px 20px; color: var(--muted); font-size: 13px; line-height: 1.7; }
  .table-scroll { border-radius: 8px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
  .table-scroll table { font-size: 13px; }
  .table-scroll th { padding: 13px 12px; font-size: 12px; font-weight: 650; background: var(--surface-2); color: var(--muted); }
  .table-scroll td { padding: 12px; font-size: 13px; line-height: 1.55; }
  .table-scroll th small, .table-scroll td small { font-size: 11px; line-height: 1.45; }
  .table-scroll td b { font-size: 13px; font-weight: 650; }
  .kpi-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
  .kpi-card { min-height: 128px; padding: 17px 16px; border-radius: 11px; display: flex; flex-direction: column; box-shadow: none; }
  .kpi-card::before { top: 15px; bottom: auto; left: 0; height: 28px; width: 3px; border-radius: 0 2px 2px 0; }
  .kpi-card > span:not(.long-wait-icon) { font-size: 12px; font-weight: 600; line-height: 1.45; min-height: 32px; }
  .kpi-card strong { margin-top: auto; font-size: 30px; letter-spacing: -.04em; line-height: 1.1; font-weight: 700; font-variant-numeric: tabular-nums; }
  .kpi-card small { margin-top: 8px; font-size: 10px; font-weight: 500; }
  .kpi-card.critical::before { background: #92a0b6; }
  .kpi-card.wait > .long-wait-icon { top: 13px; right: 10px; width: 22px; height: 22px; }
  .kpi-card.wait > span:not(.long-wait-icon) { padding-right: 30px; }
  .utilization-kpi-content { margin-top: auto; }
  .utilization-donut { width: 38px; height: 38px; }
  .utilization-donut::after { width: 26px; height: 26px; }
  .overview-layout { gap: 18px; grid-template-columns: minmax(0, 1fr) 250px; }
  .status-wall { padding: 20px; }
  .status-wall-heading { align-items: flex-start; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
  .status-wall-title { flex: 1 1 240px; }
  .legend { gap: 13px; font-size: 11px; line-height: 1.5; }
  .legend > span { gap: 6px; font-size: 11px; font-weight: 500; }
  .line-band { grid-template-columns: 72px minmax(0,1fr); padding: 14px 0; border-bottom: 1px solid var(--line); gap: 14px; }
  .line-band:last-child { border-bottom: 0; }
  .line-label { border: 0; background: none; padding: 3px 0; color: var(--ink); }
  .line-label small { color: var(--muted); }
  .line-label strong { font-size: 15px; font-weight: 700; }
  .line-label small { font-size: 11px; font-weight: 500; }
  .equipment-grid { gap: 8px; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); }
  .equipment-tile:not(.factory-machine-marker) { width: 100%; height: 96px; min-height: 96px; border-radius: 8px; background: var(--surface-2); border: 1px solid color-mix(in srgb,var(--equipment-accent) 40%,var(--line)); box-shadow: none; padding: 0; }
  .equipment-tile:not(.factory-machine-marker)::before { opacity: .15; }
  .equipment-tile:not(.factory-machine-marker) .equipment-code { inset: 9px 4px auto; background: transparent; color: var(--ink); font-family: inherit; font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0; }
  .equipment-tile:not(.factory-machine-marker) .equipment-icon { position: absolute; width: 28px; height: 28px; top: 27px; left: calc(50% - 14px); margin: 0; }
  .equipment-tile:not(.factory-machine-marker) .equipment-meta { inset: auto 3px 16px; min-height: 24px; display: grid; place-items: center; background: none; color: var(--muted); font-size: 10px; line-height: 12px; font-weight: 500; letter-spacing: 0; white-space: normal; }
  .equipment-tile:not(.factory-machine-marker) .equipment-state, .equipment-tile:not(.factory-machine-marker) .equipment-work-state { white-space: normal; word-break: keep-all; overflow-wrap: anywhere; }
  .equipment-tile:not(.factory-machine-marker)[data-state="WAIT"] .equipment-meta { font-size: 9px; color: var(--long-wait-strong); }
  .equipment-tile:not(.factory-machine-marker)[data-state="RUN"] { background: color-mix(in srgb,var(--run) 7%,var(--surface-2)); }
  .equipment-tile:not(.factory-machine-marker)[data-state="STOP"] { background: color-mix(in srgb,var(--machine-stop) 7%,var(--surface-2)); }
  .equipment-tile:not(.factory-machine-marker)[data-state="WAIT"] { background: color-mix(in srgb,var(--long-wait) 9%,var(--surface-2)); }
  .equipment-tile:not(.factory-machine-marker).selected { outline-color: var(--cyan); background: var(--design-accent-soft); }
  .equipment-tile:not(.factory-machine-marker) .equipment-order { max-width: none; top: auto; bottom: 0; left: 0; right: 0; font-size: 8px; font-weight: 600; line-height: 13px; padding: 0 4px; border-radius: 0; text-align: center; text-overflow: ellipsis; }
  .critical-rail { padding: 18px; }
  .critical-rail h3 { font-size: 16px; }
  .critical-item { padding: 12px 10px; border-radius: 8px; color: var(--ink); background: var(--surface-2); border-color: var(--line); }
  .critical-item strong, .critical-item b { font-size: 13px; }
  .critical-item small { font-size: 11px; color: var(--muted); }
  .factory-layout-panel { padding: 18px; }
  .factory-layout-caption, .factory-layout-footnote { font-size: 11px; line-height: 1.5; }
  .factory-layout-stage { background-color: var(--bg); }
  .work-management-screen .work-management-head, .quality-review-screen .quality-review-head, .performance-head, .completed-history-head, .signup-approval-head { padding: 0 0 6px; background: transparent; border: 0; box-shadow: none; margin-bottom: 24px; }
  .work-management-head h2, .quality-review-head h2, .performance-head h2, .completed-history-head h2, .signup-approval-head h2 { font-size: 27px; line-height: 1.35; font-weight: 750; }
  .work-management-head p, .quality-review-head p, .performance-head p, .completed-history-head p, .signup-approval-head p { font-size: 12px; line-height: 1.65; }
  .work-management-head > div > small, .quality-review-head > div > small { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
  .work-management-screen .work-management-layout { grid-template-columns: 220px minmax(0,1fr); gap: 18px; }
  .work-filter-rail { padding: 16px; top: 18px; }
  .work-filter-heading small, .work-filter-hint { font-size: 11px; }
  .work-quick-stats { gap: 8px; }
  .work-quick-stats article { padding: 12px; min-height: 76px; border-radius: 8px; }
  .work-quick-stats span { font-size: 11px; }
  .work-quick-stats small { font-size: 10px; }
  .work-quick-stats b { font-size: 24px; font-weight: 700; }
  .work-management-main { gap: 18px; }
  .work-order-table-card > .card-heading { min-height: 66px; padding: 16px 18px; background: var(--surface); }
  .work-order-table-card > .card-heading h3 { font-size: 17px; }
  .work-order-table-card > .card-heading p { font-size: 11px; }
  .work-order-table { min-width: 1100px; }
  .work-order-table-scroll { max-height: min(600px, 56vh); }
  .work-order-table th, .work-order-table td { padding: 12px; }
  .work-order-table th { font-size: 12px; font-weight: 650; }
  .work-order-table th small { font-size: 10px; }
  .work-order-table td { height: 64px; font-size: 13px; }
  .work-order-table td b { font-size: 13px; font-weight: 650; }
  .work-order-table td small { font-size: 11px; }
  .work-table-progress b { font-size: 11px !important; }
  .work-management-screen .work-plan-card { padding: 20px; }
  .work-plan-heading h2 { font-size: 22px; }
  .quality-review-screen .quality-review-layout { grid-template-columns: minmax(300px, 355px) minmax(0, 1fr); gap: 18px; }
  .quality-review-screen .quality-review-list-card, .quality-review-screen .quality-review-detail-card { padding: 18px; }
  .quality-review-screen .quality-review-row { min-height: 78px; padding: 13px; gap: 10px; border-radius: 8px; }
  .quality-review-row b, .quality-review-row strong { font-size: 13px; }
  .quality-review-row small { font-size: 11px; line-height: 1.5; }
  .quality-status, .work-status { font-size: 10px; padding: 5px 7px; font-weight: 650; border-radius: 6px; }
  .quality-status { font-size: 10px !important; }
  .work-order-chip { font-size: 10px; font-weight: 650; border-radius: 6px; background: #50616d; }
  .quality-status.APPROVED, .work-order-chip.IN_PROGRESS, .work-order-chip.RUNNING { color: #fff; background: #127450; }
  .quality-status.PENDING, .work-order-chip.PAUSED, .work-order-chip.WAITING, .work-order-chip.WAIT { color: #fff; background: #875100; }
  .quality-status.REJECTED, .work-order-chip.CANCELLED { color: #fff; background: #b13448; }
  .quality-status.REREVIEW, .work-order-chip.DRAFT { color: #fff; background: #50616d; }
  .quality-review-screen .quality-detail-heading h2 { font-size: 25px; }
  .quality-status-filter span { font-size: 11px; }
  .quality-status-filter select { min-height: 42px; font-size: 13px; }
  .quality-detail-grid { grid-template-columns: 1fr; gap: 14px; }
  .quality-summary dt, .planning-summary dt, .allocation-summary dt, .quality-production-info dt, .quality-review-record dt { font-size: 11px; line-height: 1.5; }
  .quality-summary dd, .planning-summary dd, .allocation-summary dd, .quality-production-info dd, .quality-review-record dd { font-size: 14px; line-height: 1.5; }
  .quality-review-screen .quality-summary div { min-height: 82px; padding: 14px 12px; }
  .quality-review-screen .quality-production-info, .quality-review-screen .quality-review-record, .quality-review-screen .quality-attachment-record { padding: 18px; }
  .collection-layout, .settings-grid, .analytics-layout, .completed-history-layout { gap: 18px; }
  .settings-card, .analytics-card, .collection-card { padding: 20px; }
  .settings-card h3, .ftp-settings-card h3 { font-size: 17px; }
  .settings-card p, .ftp-settings-card p, .ftp-mapping > p { font-size: 12px; line-height: 1.65; }
  .ftp-mapping legend, .ftp-cleanup-settings legend { font-size: 12px; }
  .ftp-toggle-field b, .ftp-toggle-field strong { font-size: 12px; }
  .ftp-toggle-field small, .ftp-cleanup-settings small { font-size: 11px; line-height: 1.6; }
  .modal-backdrop { backdrop-filter: blur(4px); background: rgba(7,12,20,.72); }
  .modal-heading h2 { font-size: 25px; line-height: 1.3; }
  .modal-heading p { font-size: 12px; line-height: 1.65; }
  .work-overview-dialog { min-height: 0; border-radius: 12px; }
  .work-overview-toolbar { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 10px; padding: 14px 16px; }
  .work-overview-toolbar .field { min-width: 0; }
  .work-overview-toolbar .field:first-child { grid-column: span 2; }
  .work-overview-toolbar .field > span { font-size: 11px; }
  .work-overview-toolbar .field input, .work-overview-toolbar .field select { font-size: 12px; min-height: 38px; padding: 8px 10px; }
  .work-overview-checks { grid-column: span 2; flex-wrap: wrap; }
  .work-overview-checks label, .work-overview-result-bar { font-size: 11px; }
  .work-overview-table { min-width: 1380px; font-size: 12px; }
  .work-overview-table th { font-size: 11px; height: 42px; }
  .work-overview-table td { padding-block: 10px; }
  .auth-dialog { border-radius: 14px; }
  .auth-gate-page { grid-template-columns: minmax(0, 1fr) minmax(390px, 480px); gap: clamp(40px,7vw,130px); max-width: 1640px; margin: auto; padding: 60px; }
  .auth-gate-page::before { display: none; }
  .auth-gate-tools { margin-bottom: 45px; }
  .auth-gate-brand > span { width: 108px; height: 68px; border-radius: 9px; box-shadow: none; }
  .auth-gate-brand h1 { font-size: 25px; font-weight: 700; }
  .auth-gate-copy { margin-top: 35px; }
  .auth-gate-copy h2 { font-size: clamp(30px,3vw,45px); line-height: 1.25; max-width: 600px; font-weight: 750; word-break: keep-all; }
  .auth-gate-copy p { font-size: 14px; max-width: 540px; line-height: 1.8; word-break: keep-all; }
  .auth-gate-copy::after { content: ""; display: block; height: 250px; margin-top: 28px; background: var(--surface-2) url('/assets/mes-precision-hero.png') center / cover no-repeat; border-radius: 12px; border: 1px solid var(--line); }
  .auth-gate-security { background: transparent; padding: 14px 0; margin-top: 14px; border: 0; }
  .auth-gate-security b { font-size: 12px; }
  .auth-gate-security small { font-size: 11px; }
  .auth-gate-dialog { padding: 32px; box-shadow: var(--shadow); }
  .auth-gate-dialog .button.primary { min-height: 46px; font-size: 14px; }
  .auth-signup-choice small, .auth-account-help { font-size: 12px; }
  .auth-gate-page--signup .auth-gate-copy::after { height: 200px; }
  .auth-gate-page--signup { grid-template-columns: minmax(0, .8fr) minmax(600px,1.2fr); }
  .auth-gate-page--signup .signup-form { grid-template-columns: 180px minmax(0,1fr); }
  .auth-gate-page--signup .signup-photo-preview { max-height: 240px; }
  .auth-gate-page--signup .signup-fields { min-width: 0; }
  .wallboard .design-page-heading { display: none; }
  .wallboard .main { width: calc(100% - 24px); padding-bottom: 36px; }
  .wallboard .topbar { min-height: 62px; height: auto; padding-block: 8px; }
  .wallboard .equipment-grid { grid-template-columns: repeat(auto-fill,minmax(58px,1fr)); gap: 5px; }
  .wallboard .equipment-tile:not(.factory-machine-marker) { height: 84px; min-height: 84px; }
  .wallboard .equipment-tile:not(.factory-machine-marker) .equipment-code { top: 3px; font-size: 10px; }
  .wallboard .equipment-tile:not(.factory-machine-marker) .equipment-icon { top: 19px; width: 24px; height: 24px; left: calc(50% - 12px); }
  .wallboard .equipment-tile:not(.factory-machine-marker) .equipment-meta { bottom: 14px; font-size: 9px; }
  .wallboard .kpi-card { min-height: 102px; }
  .wallboard .line-band { padding-block: 9px; }

  @media (max-width: 1600px) {
    --design-sidebar: 210px;
    .topbar { gap: 16px; padding-inline: 18px; }
    .brand-copy h1 { font-size: 17px; }
    .header-actions { gap: 7px; }
    .mode-pill { display: none; }
    .header-order-search { max-width: 225px; }
    .app-shell:not(.wallboard) > .main { padding: 22px 22px 50px; }
    .overview-layout { grid-template-columns: minmax(0,1fr) 215px; }
    .kpi-grid { gap: 9px; }
    .kpi-card { padding: 14px 12px; min-height: 125px; }
    .kpi-card strong { font-size: 26px; }
    .kpi-card > span:not(.long-wait-icon) { font-size: 11px; }
    .work-management-screen .work-management-layout { grid-template-columns: 200px minmax(0,1fr); }
    .quality-review-head-actions { min-width: 0; flex-wrap: wrap; }
    .quality-review-screen .quality-review-layout { grid-template-columns: 300px minmax(0,1fr); }
    .quality-review-screen .quality-summary { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .status-wall { padding: 16px; }
    .line-band { grid-template-columns: 54px minmax(0,1fr); gap: 10px; }
    .equipment-grid { grid-template-columns: repeat(auto-fill,minmax(73px,1fr)); gap: 7px; }
  }
  @media (max-width: 1440px) {
    .auth-gate-page--signup { grid-template-columns: 1fr; }
    .auth-gate-page--signup .auth-gate-copy, .auth-gate-page--signup .auth-gate-security { display: none; }
  }
  @media (max-width: 1280px) {
    --design-sidebar: 195px;
    .brand-copy h1 { font-size: 16px; }
    .header-order-search { max-width: 210px; }
    .connection-pill { font-size: 10px; }
    .admin-badge { max-width: 120px; }
    .overview-layout { grid-template-columns: 1fr; }
    .critical-rail { max-height: 230px; overflow-y: auto; }
    .kpi-card { min-height: 116px; }
    .work-management-screen .work-management-layout, .quality-review-screen .quality-review-layout { grid-template-columns: 1fr; }
    .work-filter-rail { position: static; }
    .work-quick-stats { grid-template-columns: repeat(5,minmax(0,1fr)); }
    .work-quick-stats article.all { grid-column: auto; }
    .work-filter-fields { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .quality-review-screen .quality-review-list { max-height: 260px; }
    .quality-review-screen .quality-summary { grid-template-columns: repeat(5,minmax(0,1fr)); }
    .auth-gate-page { padding: 35px; gap: 40px; }
    .auth-gate-page--signup { grid-template-columns: 1fr; }
    .auth-gate-page--signup .auth-gate-copy, .auth-gate-page--signup .auth-gate-security { display: none; }
  }
  @media (max-width: 980px) {
    .work-overview-toolbar { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .kpi-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .app-shell:not(.auth-gate-shell):not(.wallboard) { display: block; }
    .topbar { height: auto; min-height: 80px; flex-wrap: wrap; }
    .header-actions { flex-basis: 100%; justify-content: flex-start; flex-wrap: wrap; }
    .header-order-search { max-width: 300px; }
    .app-shell:not(.wallboard) > .nav-shell { height: auto; max-height: none; padding: 10px 14px; display: block; position: sticky; top: 0; border-bottom: 1px solid var(--line); overflow: visible; }
    .app-shell:not(.wallboard) .nav-tabs { flex-direction: row; overflow-x: auto; gap: 8px; }
    .app-shell:not(.wallboard) .nav-tabs::before { display: none; }
    .app-shell:not(.wallboard) .nav-tab { flex: 0 0 165px; }
    .app-shell:not(.wallboard) .nav-actions { display: flex; margin-top: 9px; padding: 0; border: 0; justify-content: flex-end; }
    .app-shell:not(.wallboard) > .main { padding: 20px 16px 50px; }
    .auth-gate-page { grid-template-columns: 1fr; max-width: 680px; padding: 32px; gap: 25px; }
    .auth-gate-copy, .auth-gate-security { display: none; }
    .auth-gate-tools { margin-bottom: 22px; }
    .auth-gate-dialog { max-width: none; width: 100%; }
  }
  @media (max-width: 620px) {
    .work-overview-toolbar { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .topbar { padding: 13px; gap: 12px; }
    .brand-copy h1 { font-size: 17px; }
    .header-order-search { flex-basis: 100%; max-width: none; }
    .header-actions .auth-action { margin-left: auto; }
    .design-page-heading { margin-bottom: 18px; }
    .design-page-heading h2 { font-size: 23px; }
    .design-page-heading p { font-size: 11px; }
    .design-heading-status { display: none; }
    .toolbar { padding: 13px; flex-wrap: wrap; }
    .toolbar > .button { width: 100%; }
    .filter-group { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); width: 100%; }
    .field, .field.grow { min-width: 0; }
    .field.grow { grid-column: 1/-1; }
    .kpi-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .kpi-card { min-height: 116px; }
    .equipment-grid { grid-template-columns: repeat(auto-fill,minmax(67px,1fr)); }
    .line-band { grid-template-columns: 1fr; }
    .line-label { display: flex; gap: 10px; align-items: center; }
    .work-filter-fields { grid-template-columns: 1fr; }
    .work-quick-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .work-quick-stats article.all { grid-column: 1/-1; }
    .quality-review-screen .quality-summary { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .auth-gate-page { padding: 22px 16px 48px; }
    .auth-gate-brand h1 { font-size: 19px; }
    .auth-gate-brand > span { width: 84px; height: 56px; }
    .auth-gate-copy h2 { font-size: 31px; }
    .auth-gate-dialog { padding: 24px; }
    .auth-gate-page--signup .signup-form { grid-template-columns: 1fr; }
  }
  .overview-layout.factory-overview-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .wallboard .overview-layout { grid-template-columns: minmax(0, 1fr); }
  @media (max-height: 600px) {
    .work-overview-dialog { display: block; overflow: auto; }
    .work-overview-heading { position: sticky; top: 0; z-index: 8; background: var(--surface); }
    .work-overview-table-scroll { max-height: none; }
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    /* This no-motion timer animation emits animationend to dismiss the reminder. */
    .account-session-warning.is-running .account-session-warning__track { animation: account-warning-hold 16s linear 1 both !important; }
  }
}

/* BEGIN MES NAV NEON
   Presentation only: stable view IDs, no menu geometry or machine-state tokens changed. */
@property --mes-nav-neon-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

html[data-ui-design="modern"] {
  --nav-neon-box: #17212f;
  --nav-neon-box-hover: #1c293a;
  --nav-neon-ink: #eff6ff;
  --nav-neon-muted: #bed0e3;
  --nav-neon-focus: #ffffff;
  --nav-neon-halo: 12%;

  &:not([data-theme="dark"]) {
    --nav-neon-focus: #145c94;
    --nav-neon-halo: 5%;
  }

  .app-shell:not(.wallboard) .nav-tab[data-value="realtime"] { --nav-neon-accent: #55b8ff; }
  .app-shell:not(.wallboard) .nav-tab[data-value="lineEquipment"] { --nav-neon-accent: #9f8cff; }
  .app-shell:not(.wallboard) .nav-tab[data-value="analytics"] { --nav-neon-accent: #e88cdb; }
  .app-shell:not(.wallboard) .nav-tab[data-value="workManagement"] { --nav-neon-accent: #6ce4b0; }
  .app-shell:not(.wallboard) .nav-tab[data-value="workAllocation"] { --nav-neon-accent: #ffb875; }
  .app-shell:not(.wallboard) .nav-tab[data-value="operator"] { --nav-neon-accent: #6ce4b0; }
  .app-shell:not(.wallboard) .nav-tab[data-value="capa"] { --nav-neon-accent: #33e6ef; }
  .app-shell:not(.wallboard) .nav-tab[data-value="collection"] { --nav-neon-accent: #bbd66d; }
  .app-shell:not(.wallboard) .nav-tab[data-value="settings"] { --nav-neon-accent: #a7bdcc; }
  .app-shell:not(.wallboard) .nav-tab[data-value="completedHistory"] { --nav-neon-accent: #55c9a0; }
  .app-shell:not(.wallboard) .nav-tab[data-value="productionProgress"] { --nav-neon-accent: #f0d477; }
  .app-shell:not(.wallboard) .nav-tab[data-value="qualityReview"] { --nav-neon-accent: #d0aeff; }
  .app-shell:not(.wallboard) .nav-tab[data-value="performance"] { --nav-neon-accent: #7295ff; }
  .app-shell:not(.wallboard) .nav-tab[data-value="signupApproval"] { --nav-neon-accent: #d873be; }

  .app-shell:not(.wallboard) .nav-tab {
    --nav-neon-accent: #a7bdcc;
    isolation: isolate;
    color: var(--nav-neon-ink);
    background: var(--nav-neon-box);
    border-color: color-mix(in srgb, var(--nav-neon-accent) 64%, var(--nav-neon-box));
    box-shadow: inset 3px 0 color-mix(in srgb, var(--nav-neon-accent) 80%, transparent), 0 0 7px color-mix(in srgb, var(--nav-neon-accent) var(--nav-neon-halo), transparent);
    transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
    transform: none;
  }

  .app-shell:not(.wallboard) .nav-tab > i,
  .app-shell:not(.wallboard) .nav-tab > span {
    position: relative;
    z-index: 1;
  }

  .app-shell:not(.wallboard) .nav-tab > i {
    color: var(--nav-neon-ink);
    background: color-mix(in srgb, var(--nav-neon-accent) 15%, var(--nav-neon-box));
  }

  .app-shell:not(.wallboard) .nav-tab > span > small {
    color: var(--nav-neon-muted);
  }

  .app-shell:not(.wallboard) .nav-tab:hover {
    color: var(--nav-neon-ink);
    background: var(--nav-neon-box-hover);
    border-color: var(--nav-neon-accent);
    box-shadow: inset 3px 0 var(--nav-neon-accent), 0 0 8px color-mix(in srgb, var(--nav-neon-accent) 18%, transparent);
    transform: none;
  }

  .app-shell:not(.wallboard) .nav-tab.selected {
    color: var(--nav-neon-ink);
    background: color-mix(in srgb, var(--nav-neon-accent) 10%, var(--nav-neon-box));
    border-color: var(--nav-neon-accent);
    box-shadow: inset 4px 0 var(--nav-neon-accent), inset 0 0 0 1px color-mix(in srgb, var(--nav-neon-accent) 28%, transparent), 0 0 9px color-mix(in srgb, var(--nav-neon-accent) 24%, transparent);
  }

  .app-shell:not(.wallboard) .nav-tab.selected > i {
    color: var(--nav-neon-ink);
    background: color-mix(in srgb, var(--nav-neon-accent) 24%, var(--nav-neon-box));
  }

  .app-shell:not(.wallboard) .nav-tab.selected > span > small {
    color: var(--nav-neon-muted);
  }

  /* A keyboard focus ring is separate from selection and the moving decoration. */
  .app-shell:not(.wallboard) .nav-tab:focus-visible {
    outline: 3px solid var(--nav-neon-focus);
    outline-offset: 3px;
  }

  /* Unsupported masking/property interpolation leaves the static selected border intact. */
  @supports (background: conic-gradient(from 0deg, transparent, white)) and ((mask-composite: exclude) or (-webkit-mask-composite: xor)) {
    .app-shell:not(.wallboard) .nav-tab.selected::after {
      content: "";
      position: absolute;
      inset: 0;
      padding: 1.5px;
      border-radius: inherit;
      pointer-events: none;
      z-index: 0;
      background: conic-gradient(from var(--mes-nav-neon-angle), transparent 0deg 292deg, color-mix(in srgb, var(--nav-neon-accent) 45%, transparent) 312deg, var(--nav-neon-accent) 336deg, #ffffff 350deg, transparent 360deg);
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      mask-composite: exclude;
      animation: mes-nav-neon-flow 6s linear infinite;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .app-shell:not(.wallboard) .nav-tab,
    .app-shell:not(.wallboard) .nav-tab::before,
    .app-shell:not(.wallboard) .nav-tab::after {
      animation: none !important;
      transition: none !important;
    }
    .app-shell:not(.wallboard) .nav-tab.selected::after { content: none; }
  }

  @media (forced-colors: active) {
    .app-shell:not(.wallboard) .nav-tab,
    .app-shell:not(.wallboard) .nav-tab:hover {
      forced-color-adjust: auto;
      color: ButtonText;
      background: ButtonFace;
      border-color: ButtonText;
      box-shadow: none;
      animation: none !important;
      transition: none !important;
    }
    .app-shell:not(.wallboard) .nav-tab.selected {
      color: HighlightText;
      background: Highlight;
      border-color: Highlight;
      box-shadow: none;
    }
    .app-shell:not(.wallboard) .nav-tab > i,
    .app-shell:not(.wallboard) .nav-tab.selected > i,
    .app-shell:not(.wallboard) .nav-tab > span > small,
    .app-shell:not(.wallboard) .nav-tab.selected > span > small {
      color: inherit;
      background: transparent;
    }
    .app-shell:not(.wallboard) .nav-tab::before,
    .app-shell:not(.wallboard) .nav-tab::after { content: none !important; animation: none !important; }
    .app-shell:not(.wallboard) .nav-tab:focus-visible { outline-color: Highlight; }
  }
}

@keyframes mes-nav-neon-flow {
  from { --mes-nav-neon-angle: 0deg; }
  to { --mes-nav-neon-angle: 360deg; }
}
/* END MES NAV NEON */